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This book has been written with general practitioners primarily in view, describing common paediatric conditions that present in the outpatient clinics and those that require admission to hospital.

Polymers and polymer composites have been increasingly used in place of metals for various industries; In meet ing this need, polymer tribology has evolved to deal with friction, lubrication and wear of polymeric materials ann to anSwer some of the problems related to polymer-polymer interactions or nolymer rigid body interactions.

1 The Hanle Effect and Level-Crossing Spectroscopy-An Introduction.- 1. Historical Survey.- 2. Classical Interpretation of the Hanle Effect.- 3. Quantum Mechanical Interpretation of the Hanle Effect.- 4. The Density Matrix Formalism for the Hanle Effect (Broad-Band Excitation).- 5. Laser Excitation and Pressure-Induced Coherences.- 6. Nonzero-Field Level Crossing.- 7. Conclusions.- References.- Appendix. Magnetic Effects on the Polarization of Resonance Fluorescence (original work by Wilhelm Hanle, translated by G. Moruzzi).- 2 The Hanle Effect and Atomic Physics.- 1. Introduction.- 1.1. General Expression for the Hanle Signal in Terms of the Density Matrix.- 2. Spectroscopic Applications.- 2.1. Determination of Atomic Constants.- 2.2. Measurements of Laser-Level Populations.- 2.3. Increasing Resolution, Subnatural Linewidth Effects.- 2.4. Forward Scattering, Line Crossing.- 2.5. Technical Applications.- 3. Collisions.- 3.1. Hanle Effect with Collisional Excitation.- 3.2. Hanle Effect and Optogalvanic Detection.- 3.3. Collision-Induced Hanle Resonances.- 3.4. Fluctuation-Induced Hanle Resonances.- 4. Hanle Effect in Strong Laser Fields.- 4.1. General Characteristic.- 4.2. Specific Situations.- 4.3. Hanle Effect and Nonlinear Optics.- 5. Hanle Effect in Quantum Optics.- 5.1. Dressed-Atom Model.- 5.2. Hanle Effect with Fluctuating Fields.- 5.3. Squeezing in the Hanle Effect.- References.- 3 The Hanle Effect and Level-Crossing Spectroscopy on Molecules.- 1. Introduction.- 2. Molecular Level-Crossing Signal.- 3. Comparison with Quantum Beat Experiments.- 4. Excitation of Molecules.- 5. Lifetime Investigations.- 6. Landé g-Factors.- 7. Electric-Field Level Crossing.- 8. Stark-Zeeman Recrossing and High-Field Level Crossing.- 9. Hanle Effect on NO2.- 9.1. The Influence of Detection Geometry.- 9.2. Details of the Hanle-Effect Signal.- 9.3. Collisions.- 9.4. Discussion of Hanle-Effect Experiments on NO2.- 10. Conclusion.- References.- 4 The Nonlinear Hanle Effect and Its Applications to Laser Physics.- 1. The Nonlinear Hanle Effect and Its Experimental Observation.- 2. Saturation Intensity and Saturated Linewidth.- 3. The Three-Level Case: Homogeneously Broadened Lines.- 4. The Three-Level Case: Doppler-Broadened Lines and the Rate Equations.- 5. The General Case.- 6. The Rate-Equation Approach to the Nonlinear Hanle Effect in Inhomogeneously Broadened Transitions.- 7. The Nonlinear Hanle Effect with a Gaussian Laser Beam.- 8. The Nonlinear Hanle Effect in Absorption.- 9. The Nonlinear Hanle Effect in Laser-Active Media.- 9.1. The He-Ne Laser.- 9.2. The Xe Laser.- 9.3. The He-CdII and He-ZnII Lasers.- 9.4. The Noble-Gas Ion Lasers.- 9.5. Optically Pumped Far-Infrared Lasers.- 9.6. Other Lasers.- 9.7. Conclusions.- References.- 5 Applications of the Hanle Effect in Solar Physics.- 1. Introduction.- 2. Brief Review of the Properties of Solar Magnetic Fields.- 3. Overview of the Diagnostic Possibilities and Limitations of the Hanle Effect.- 4. Basic Theoretical Concepts for Applications in Astrophysics.- 5. Diagnostics of Magnetic Fields in Solar Prominences.- 6. Survey of Scattering Polarization on the Solar Disk.- 7. Diagnostics of Turbulent Magnetic Fields.- 8. Diagnostics of Magnetic Fields in the Chromosphere-Corona Transition Region and Above.- 9. Concluding Remarks.- References.- 6 Applications of the Hanle Effect in Solid State Physics.- 1. Introduction.- 2. The Hanle Effect on Free Electrons.- 2.1. Optical Orientation of Electron Spins.- 2.2. Occurrence of Electron-Nucleus Interaction in Polarized Luminescence.- 2.3. Optical Alignment of Electron Momenta in a Magnetic Field.- 3. The Hanle Effect on Excitons.- 3.1. The ?8 × ?6 and ?7 × ?6 Excitons in Cubic Crystals.- 3.2. The ?9 × ?7 and ?7 × ?7 Excitons in Hexagonal II-VI Crystals with Wurtzite Structure.- 3.3. The ?7 × ?8 Excitons in III-VI Crystals with Symmetry Class D3h.- 3.4. The Influence of Reemission on the Hanle Effect.- 3.5. Hot Excitons and Polaritons.- 4. The H

I. Introduction: General Issues in Developmental Disorders.- 1 State of the World's Children: Developmental-Behavioral Disorders in a Global Context.- 1. Introduction.- 2. Children in History.- 3. Children Today.- 4. Recent Nutrition Data.- 5. Children Tomorrow.- 6. Conclusions.- References.- 2 PL 99-457: A New Challenge and Responsibility for Physicians.- 1. Introduction.- 2. Physician Involvement.- 2.1. Identification.- 2.2. Medical Evaluation.- 2.3. Communication with the IFSP Team.- 2.4. Family Support.- 2.5. Participation in the IFSP Process.- 2.6. Advocacy.- 3. Barriers to Physician Involvement.- 4. Overcoming Barriers.- Selected Readings.- 3 An Ethical Issue in Developmental Pediatrics: Analysis and Discussion of a Case History.- Case History-S. L., a Newborn with Partial Trisomy-13.- Reference.- Selected Readings: Ethical-Legal Issues.- 4 A Physician's Primer of Developmental and Psychologic Test Instruments.- 1. Introduction.- 2. Possible Developmental Delay.- 2.1. Developmental (Cognitive/Motor) Delay.- 2.2. Language Delay.- 2.3. Behavioral/Adaptive Delays.- 3. Cases Involving Suspected Developmental Delay.- 4. Difficulties in School Performance.- 4.1. Intelligence.- 4.2. Academic Achievement.- 4.3. Perceptual/Visual Motor.- 4.4. Attention/Concentration.- 4.5. Behavioral.- 5. Cases Involving Suspected School Problems.- 6. Conclusions.- References.- II. Developmental Disorders.- 5 Neonatal Brain Care: Does Early Developmental Intervention Work?.- 1. Introduction.- 2. Supplemental Stimulation.- 3. Protection at All Costs.- 4. Contingency-Based and Developmentally-Based Interventions.- 5. Summary.- References.- 6 Early Identification of Cerebral Palsy.- 1. Introduction.- 2. Types of Cerebral Palsy.- 3. Early Clinical Signs of Cerebral Palsy.- 3.1. Amiel-Tison et al. (1977).- 3.2. Ellenberg and Nelson (1981).- 3.3. Harris (1987).- 3.4. Research Conclusions.- 4. Summary.- References.- 7 Movement Disorders and Paroxysmal Behaviors in Children and Adolescents.- 1. Introduction.- 2. Disorders Characterized by Alteration in the State of Consciousness and Abnormal Movements.- 2.1. Seizure Disorders.- 2.2. Pseudoseizures.- 3. Disorders Characterized Primarily by an Alteration in Consciousness.- 3.1. Syncope Due to Inadequate Cerebral.- 3.2. Postural Hypotension.- 3.3. Steal Syndromes.- 3.4. Cardiac Arrhythmias.- 3.5. Breath Holding Spells.- 3.6. Syncope Due to Hypoxia or Hypoglycemia.- 4. Disorders Characterized Primarily by Abnormal Movements.- 4.1. Disorders Characterized by Hyperkinesia.- 4.2. Disorders Characterized Primarily by Abnormalities of Posture and Tone.- 4.3. Disorders Characterized Primarily by Akinesia.- 5. Other Paroxysmal Disorders.- 5.1. Rett Syndrome.- 5.2. Mannerisms.- References.- 8 Epilepsy: Implications for Intelligence, Learning, and Behavior.- 1. Introduction.- 2. Epilepsy and Intelligence.- 3. Epilepsy and Learning Difficulties.- 4. Epilepsy and Childhood Emotional and Behavioral Disorders.- 4.1. Anticonvulsants and Behavior Disorders.- 4.2. Temporal Lobe Epilepsy and Psychiatric Disorders.- 5. Summary.- References.- 9 Learning Disabilities: "The Good News/The Bad News".- 1. Introduction.- 2. Toward a Definition.- 3. Significant Discrepancy.- 4. Research.- 5. The Future.- References.- 10 Lessons I've Learned from Learning Disabilities.- 1. Introduction.- 2. Overlooked Learning Disability.- 2.1. Emotional Disturbance and Underachievement.- 2.2. Headaches and Fatigue.- 3. Miscellaneous Lessons I Have Learned.- 3.1. "Abnormal Depth Perception" in a Clumsy Child.- 3.2. Involuntary Movements with Accompanying Behavioral Upset.- 3.3. Refusal to Speak in an Anxious Child.- 3.4. Cerebral Palsy with Accompanying Depression.- 3.5. Newly Acquired Perceptual Disorder in an Intelligent Child.- 3.6. Situational Depression with a Well-Controlled Seizure Disorder.- 3.7. Acute Psychosis with Temporal Lobe Epilepsy.- 3.8. Declining School Performance and the Misdiagnosis of Seizures.- 3.9. Adolescent Stroke with Com...

Objects Through Relations: The ADOORE Approach; M. Kopecky, J. Pokorny. Object-Oriented Information Technologies; Y.-W. Chiou. Use of Object-Orientation for Information Systems Development in Software Companies in Finland: A Proposal for Study; P. Paetau. A Feature-Based Approach for Consistent Object-Oriented Requirements Specification; K.S. Cheung, et al. Creativity, Group Support Systems, and Systems Development; M. Nagasundaram. Team Support for Software Development; D. Vogel, et al. Modeling the Dynamics of Cooperative Work Arrangements; B. Krogh. Systems Integration in a Co-operative Society;J. Vorisek, J. Pour. Failure Analysis in Information Systems Design; H. Linger, et al. Problems Associated with Cost/Benefit Analysis for Strategic Information Systems; E. Stickel. Objectives and Reality: User Participation in Information System Development; M. Kirveennummi. Systems Development Methodologies: Time to Advance the Clock; B. Fitzgerald. The Software Evolution Process, its Global Improvement, and the Perceived Efficacy of Process Assessment Schemes as Improvement Drivers; E.M. Gray, W.L. Smith. How Shared is Shared Understanding in Information Requirements Determination?; J. McKay, et al. 31 Additional Articles. Index.

Three-Dimensional Structure of Lactoferrin in Various Functional States.- Characterization of Two Kinds of Lactotransferrin (Lactoferrin) Receptors on Different Target Cells.- Primary and Three-Dimensional Structure of Lactotransferrin (Lactoferrin) Glycans.- Synergism and Substitution in the Lactoferrins.- Salt Effects on the Physical Properties of the Transferrins.- Interaction of Lactoferrin with Sequestered Transition Metal Ions.- Bactericidal Activity of Different Forms of Lactoferrin.- The Effects of Lactoferrin on Gram-Negative Bacteria.- Faecal Flora in the Newborn: Effect of Lactoferrin and Related Nutrients.- The Monocytic Receptor for Lactoferrin and Its Involvement in Lactoferrin-Mediated Iron Transport.- Study on the Binding of Lactotransferrin (Lactoferrin) to Human PHA-Activated Lymphocytes and Non-Activated Platelets: Localisation and Description of the Receptor-Binding Site.- Physical Characteristics and Polymerization during Iron Saturation of Lactoferrin, a Myelopoietic Regulatory Molecule with Suppressor Activity.- Lactoferrin and the Inflammatory Response.- The Role of Lactoferrin as an Anti-inflammatory Molecule.- Interaction of Lactoferrin with Mononuclear and Colon Carcinoma Cells.- Lactoferrin Receptors in Intestinal Brush Border Membranes.- Maternal Lactoferrin in the Urine of Preterm Infants: Evidence for Retention of Structure and function.- Lactoferrin Gene Promoter in Human and Mouse: Analogous and Dissimilar Characteristics.- Lactoferrin cDNA: Expression and In Vitro Mutagenesis.- Antimicrobial Peptides of Lactoferrin.- Physicochemical and Antibacterial Properties of Lactoferrin and Its Hydrolysate Produced by Heat Treatment at Acidic pH.- A Comparison of the Three-Dimensional Structures of Human Lactoferrin in Its Iron Free and Iron Saturated Forms.- Bovine Lactoferrin: Isolation and Characterisation of Genomic Regulatory Sequences.- X-Ray Structural Analysis of Bovine Lactoferrin at 2.5 Å Resolution.- Binding of Porcine Milk Lactoferrin to Piglet Intestinal Lactoferrin Receptor.- Lactoferrin-Receptor Interaction: Effect of Surface Exposed Histidine Residues.- Kinetic Parameters for the Heat Denaturation of Bovine Lactoferrin in Milk, and Its Effect on Interaction with Monocytes.- Cloning and Expression of the C-Terminal Lobe of Human Lactoferrin.- Crystallographic Studies on Metal and Anion Substituted Human Lactoferrin.- Proposed Mechanisms for the Involvement of Lactoferrin in the Hydrolysis of Nucleic Acids.- Lactoferrin Promotes Nerve Growth Factor Synthesis/Secretion in Mouse Fibroblast L-M Cells.- Summary Chapter: Lactoferrin Structure and Function: Remaining Questions, Methodological Considerations and Future Directions.